Explanation: M74 is about the same size as our own Milky Way Galaxy. Like our Milky Way, M74 is classified a spiral galaxy. M74's sweeping lanes of stars and dust combined with its small nucleus make it a classic Grand Design Spiral. On the Hubble Sequence of Galaxies, M74 is listed as "Sc". In the above picture, visible light is shown in red and ultraviolet light superposed in blue. In general, older stars are more red and younger stars are blue. Studies with the Ultraviolet Imaging Telescope show that the disk of M74 has undergone significant star formation in just the past 500 million years.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: Spiral'nye vetvi galaktik - zvezdoobrazovanie - spiral'naya galaktika Publikacii so slovami: Spiral'nye vetvi galaktik - zvezdoobrazovanie - spiral'naya galaktika
Sm. takzhe: IC 348 i Barnard 3 Spiral'naya galaktika s peremychkoi NGC 1365 ot teleskopa "Dzheims Vebb" Spiral'naya galaktika NGC 6744 M16: stolpy sozidaniya M106: spiral'naya galaktika so strannym yadrom NGC 247 s druz'yami Licom k NGC 6946 Vse publikacii na tu zhe temu >>